Exams › SSC CGL (Prelims) › General

The speed required by a satellite to remain in a circular orbit around Earth is known as:

1. Escape Velocity
2. Terminal Velocity
3. Critical/Orbital Velocity
4. Relative Velocity

Correct answer: Critical/Orbital Velocity

Solution

The speed needed for a satellite to stay in a circular orbit around Earth is called orbital velocity, also referred to here as critical/orbital velocity. Escape velocity is the speed needed to leave Earth’s gravitational field.

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